Product details The Allen Model 303DB Deluxe Spare Tire Mounted 3-Bike Carrier is a must-have for today's modern riding family. It is an ideal way to take your equipment on road trips or the best trails in town. This Allen bike carrier is especially designed to fit most externally mounted spare tires up to 12" deep. The long carry arms make it possible to easily carry up to three bikes on this rack. The spare tire bike rack features a single configuration design that helps with quick installation. You can secure your bikes in place with the help of a patented tie-down system on the foldable carry arms. This allows the bikes to be loaded and unloaded more easily as well, while the padded lower frame keeps them from falling into the back of your vehicle. The patented strap system tethers the lower part of the frame to your SUV's bumper for even more stability while driving. The bike carrier, hitch not required, can be folded up and stored easily when not in use. Allen Model 303DB Deluxe Spare Tire Mounted 3-Bike Carrier: Single configuration design eliminates headaches during set up and installation Patented tie-down system individually secures and protects bicycles 15"-long carry arms easily accommodate up to 3 bicycles Fully assembled, sets up and installs in seconds The Allen sports bike carrier is not for use on any type of trailer Folds for storage Easily holds 3 adult-size bikes